2.57 Ct small green-blue boulder opal
A small free-form boulder opal with a very strong greens and blues with a black background / body tone.
- 2.57 carats.
- 11.5 x 8.6 mm / 0.45 x 0.33".
- 2.6 mm / 0.10" thick.
- The face of this opal is slightly concave.
- Natural solid boulder opal.
- Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
- Gem grade.
- Opal ID 860.
Vendor: Broken River Mining